the United States 104 nuclear power plants produces 20 percent of the US energy from nuclear power. 90 percent of the world's electricity comes from fossil fuels. The scientist Enrico Fermi discovered nuclear chain reaction and received the nobel peace prize. During world war II the struggle for the development atomic bomb was between Germany and the United States. The only atomic bombs ever used in the world is was used by the United States and dropped on 2 of japan cities we gave them several chances. The human body can only withstand a certain amount of nuclear radiation the human body starts to shut down due to sickness. the nuclear bombs drop and the people in like 100 miles around it. Most of the people will die instantly. the explosion of the bomb can reach up to 2000 mile per hour and the mushroom cloud can jump of 40,000 feet in the air in the matter of